California Residential Inspector Practice Exam

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Prepare for the California Residential Inspector Exam. Utilize interactive quizzes and detailed explanations to master the required knowledge. Enhance your test-taking skills and boost your confidence for achieving high scores!

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What is the maximum spacing for nails fastening 5/8" Type X gypsum board applied to garage ceilings?

4 inches
6 inches
8 inches
10 inches

The correct answer is: 6 inches

The correct answer is based on the building codes and standards that specify fastening requirements for Type X gypsum board. For 5/8" Type X gypsum board, which is commonly used in garage ceilings for its fire-resistant properties, the maximum spacing for nails is determined to ensure the integrity and safety of the installation. When applied to ceilings, the code requires that nails be spaced no more than 6 inches apart. This spacing helps to adequately secure the gypsum board against potential sagging or separation over time, which could compromise the fire-resistance rating and lead to safety hazards. A closer spacing also provides better structural integrity against impacts or other forces that might act on the ceiling. Understanding these requirements is essential for residential inspectors, as this knowledge ensures compliance with building codes and helps maintain the safety and performance of the building materials used in construction.